There will be no game engine shift for Infinity Ward’s Call of Duty Warzone when it integrates into Treyarch’s Black Ops Cold War.
Source: N4G PC Call of Duty Warzone Won't Have an Engine Shift for Black Ops Cold War Integration
There will be no game engine shift for Infinity Ward’s Call of Duty Warzone when it integrates into Treyarch’s Black Ops Cold War.
Source: N4G PC Call of Duty Warzone Won't Have an Engine Shift for Black Ops Cold War Integration